A new catalog of 335 candidate red supergiants from Gaia DR3 and 2MASS raises the known bright RSG count by 40% and reveals a possible new population in the Scutum-Centaurus arm.
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Candidate red supergiants from Gaia DR3 BPRP spectra: From the Perseus to the Scutum-Crux spiral arms
A new catalog of 335 candidate red supergiants from Gaia DR3 and 2MASS raises the known bright RSG count by 40% and reveals a possible new population in the Scutum-Centaurus arm.